YUHONG HOLDING GROUP CO., LTD
| Payment Terms | L/C, T/T |
| Supply Ability | 1000 tons/month |
| Delivery Time | 40-60 days |
| Packaging Details | Ply-wooden Case With Iron Frame |
| Product | Fin Tubes or Finned Tube |
| Type | High Frequency Welding Finned Tubes |
| Standard | ASTM A312 |
| Material | Stainless Steel TP304 Base Tubes and Fins |
| Use | Heat Exchanger / Boiler / Furnaces / Condensers / Evaporators, etc |
| Packing | Ply-wooden Case With Iron Frame |
| Brand Name | YUHONG |
| Model Number | ASTM A312 TP304 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 1000 tons/month |
| Delivery Time | 40-60 days | Packaging Details | Ply-wooden Case With Iron Frame |
| Product | Fin Tubes or Finned Tube | Type | High Frequency Welding Finned Tubes |
| Standard | ASTM A312 | Material | Stainless Steel TP304 Base Tubes and Fins |
| Use | Heat Exchanger / Boiler / Furnaces / Condensers / Evaporators, etc | Packing | Ply-wooden Case With Iron Frame |
| Brand Name | YUHONG | Model Number | ASTM A312 TP304 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 | Place of Origin | CHINA |
| High Light | ASTM A312 Welding Fin Tubes ，SS304 Welding Fin Tubes ，HF Welding Fin Tubes | ||
ASTM A312 TP304 HF Welding Fin Tubes With SS304 Fins , Tubos Aletados
High Frequency Welding Finned Tubes
High frequency welding fin tubes are specialized tubes that are manufactured using a high frequency welding process. This technique involves using high-frequency electrical currents to heat the edges of the metal, allowing them to be fused together without the need for additional filler materials. The resulting fin tubes typically have fins attached to their surface, which enhance their heat transfer capabilities.The general materials of base tubes and of fins about the HF welding finned tube are carbon steel, alloy, stainless steel, etc.
This page let's talk about ASTM A312 stainless steel TP304 HF welding finned tubes with TP304 fins.
Detailes of ASTM A312 Base Tubes
ASTM A312 This specification covers seamless, straight-seam welded, and heavily cold worked welded austenitic stainless steel pipe intended for high-temperature and general corrosive service.
Chemical Composition (%) max
| Grade | C | Mn | P | S | Si | Cr | Ni |
| TP304 | 0.08 | 2.00 | 0.045 | 0.03 | 1.00 | 18.0-20.0 | 8.0-11.0 |
Mechanical Properties
| Grade | Tensile Strength,min | Yield Strength (0.2%Offset,min) |
| TP304 | 75ksi (515 MPa) | 30ksi (205 MPa) |
Advantages of HFW Finned Tubes
1.Because of the high welding speed and strong self cooling effect, the heat affected zone is small and oxidation is not easy to occur. Therefore, the microstructure and properties of the weld are very good;
2.Corrosion resistance, wear resistance, low contact thermal resistance, high stability, anti ash ability;
3.The heat exchange area is large;
4.Reduce the installation space of the required heat transfer surface and at the same time, it has high reliability:
5.The pressure drop on the tube side is reduced and the operation cost is reduced;
6.The stiffness and seismic performance of steel pipe are improved;
Specifications For Various Types Of Finned Tubes
| Type | Description | Base tube | Fin specification (mm) | ||
| O.D. (mm) | Fin pitch | Fin height | Fin thick | ||
| Embedded | G-type fin tube | 16-63 | 2.1~5 | <17 | ~0.4 |
| Extruded | Single metal / Combined metal | 8-51 | 1.6~10 | <17 | 0.2-0.4 |
| Low fin tube / T-type fin tube | 10-38 | 0.6~2 | <1.6 | ~0.3 | |
| Bamboo tube corrugated tube | 16-51 | 8.0~30 | <2.5 | ~0.3 | |
| Wound | L / KL / LL type fin tube | 16-63 | 2.1~5 | <17 | ~0.4 |
| String | String fin tube | 25-38 | 2.1-3.5 | <20 | 0.2-0.5 |
| U-type | U-type fin tube | 16-38 | / | / | / |
| Welding | HF-welding fin tube | 16-219 | 3~25 | 5~30 | 0.8-3 |
| H / HH type fin tube | 25-63 | 8~30 | <200 | 1.5-3.5 | |
| Studed fin tube | 25-219 | 8~30 | 5~35 | φ5-20 | |
Application of Fin Tubes
Steam Coils
Heat Exchanger
Boiler
Furnaces
Condensers
Evaporators
Air Coolers / Oil Coolers / Hydrogen Coolers / Generator Coolers
Waste Heat Recovery
Driers
Heat Pipe Technology, etc.
YUHONG Group
YUHONG Group have sold fin tuebs in more than 80 countries and have many export experiences. We can do many projects: heat exchanger / boiler projects, marine projects, condenser, air cooler, oil & gas projects etc. Finned tubes / Fin tubes are our main competitive products, we are leader chinese manufacturer of fin tubes.
Company Details
Business Type:
Manufacturer,Importer,Exporter,Trading Company,Seller,Other
Year Established:
1990
Total Annual:
50M-70M
Employee Number:
50~800
Ecer Certification：
Verified Supplier
Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n... Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n...
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